CN205793508U - A kind of LED power system - Google Patents
A kind of LED power system Download PDFInfo
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- CN205793508U CN205793508U CN201620515005.2U CN201620515005U CN205793508U CN 205793508 U CN205793508 U CN 205793508U CN 201620515005 U CN201620515005 U CN 201620515005U CN 205793508 U CN205793508 U CN 205793508U
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Abstract
This utility model relate to a kind of LED power system, this LED power system include at least one LED light source and and LED drive device, also include: adjust curve for display digit visual brightness, and receive user based on digital-visual brightness adjustment curve to the monochrome information set by specific LED light source and/or color temperature information, and wirelessly send it to the terminal unit of corresponding LED drive device；LED drive device includes: boost module；For receiving the wireless module of set monochrome information and/or color temperature information；For according to the control module that monochrome information and/or color temperature information are the often pwm signal of the corresponding dutycycle of group LED string generation；For controlling boost module, input voltage is converted into driving voltage, and controls the power management module driving electric current of corresponding LED string according to each road pwm signal.Implementing the technical solution of the utility model, user can in real time, freely regulate the light-emitting mode of LED light source, and, regulative mode makes human eye feel pleasant.
Description
Technical field
This utility model relates to field of LED illumination, particularly relates to a kind of LED power system.
Background technology
In today that the energy is day by day exhausted, people more focus on energy-saving and emission-reduction.Improve the efficiency of lighting source, it is possible to effectively alleviate the tense situation of country's electric energy, resource and the environmental conservation tool of energy-saving and emission-reduction with the whole world is had very great significance.Therefore, seek high efficiency lighting source and promote economize on electricity engineering, becoming the urgent needs that the world is common.
What the LED power system in existing market used mostly is all the ICs design using fixing function, provides fixing light-emitting mode work according to some chips, it can not be carried out real-time control.
Summary of the invention
The technical problems to be solved in the utility model is, for the above-mentioned defect that can not control light-emitting mode in real time of prior art, it is provided that a kind of LED power system being controlled light-emitting mode in real time.
This utility model solves its technical problem and be the technical scheme is that a kind of LED power system of structure, including at least one LED light source and the LED drive device corresponding with each LED light source, described LED light source includes that least one set LED string, described LED power system also include:
Curve is adjusted for display digit visual brightness, and receive user based on described digital-visual brightness adjustment curve to the monochrome information set by specific LED light source and/or color temperature information, and wirelessly send it to the terminal unit of corresponding LED drive device；
And, described LED drive device includes:
Boost module；
For wirelessly receiving the wireless module of set monochrome information and/or color temperature information；
It is connected to described wireless module, and for according to the control module that described monochrome information and/or color temperature information are the often pwm signal of the corresponding dutycycle of group LED string generation；
It is connected to described control module and described boost module, and is used for controlling described boost module input voltage is converted into driving voltage, and control the power management module driving electric current of corresponding LED string according to each road pwm signal.
Preferably, described LED drive device also includes:
It is connected to described control module, and is used for detecting Current Temperatures, and detected temperature value is sent to described terminal unit to carry out the temperature detecting module shown by described control module, described wireless module.
Preferably, described wireless module is bluetooth module, WIFI module or ZigBee module.
Preferably, power management module includes the chip that model is TPS61196.
Preferably, pedestal, lid, pcb board and the filter corresponding with each LED light source is also included；
The most ringwise, described pedestal and lid are oppositely arranged and cooperate for described pedestal and described lid, and the middle through-hole of described pedestal and described lid forms the passage passed through for light；
Described filter is positioned on described passage；
Described pcb board is located between described pedestal and described lid, and described LED drive device is arranged on described pcb board, and is electrically connected with described LED light source；
Described LED light source is positioned at the described pedestal side away from described lid, and light by described passage and described filter to described lid projects outside.
Preferably, described LED light source is plate-shaped, is fitted on described pedestal.
Preferably, described pcb board is provided with at least one flexible terminal being electrically connected with described LED light source, described pedestal be provided with for described flexible terminal stretch out dodge mouth, described flexible terminal stretch out described in dodge mouth corresponding with described LED light source connection.
Preferably, the edge of the through hole in the middle part of described pedestal is provided with the cylindrical sleeve extended to described lid side, and the most ringwise, described pcb board is set on described sleeve pipe described pcb board.
Preferably, the outer ring of described filter is provided with the microscope base installed for described filter, and described microscope base is arranged on described sleeve pipe.
Preferably, described filter is protruded from by described passage and arranges outside described lid.
Implement the technical solution of the utility model, colour temperature and/or the brightness of LED light source can be configured by user by terminal unit, and configuration information is wirelessly sent to LED drive device, LED drive device just can change colour temperature and/or the brightness of LED light source according to configuration information, therefore, user can in real time, freely regulate the light-emitting mode of LED light source, and, being configured by being then based on digital-visual brightness adjustment curve, such regulative mode makes human eye feel pleasant.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in describing below is only embodiments more of the present utility model, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.In accompanying drawing:
Fig. 1 is the building-block of logic of this utility model LED power system embodiment one；
Fig. 2 is the building-block of logic of this utility model LED power system embodiment two；
Fig. 3 A is the partial circuit diagram of this utility model LED power system embodiment three；
Fig. 3 B is the partial circuit diagram of this utility model LED power system embodiment three；
Fig. 4 is the axial cross-sectional views of this utility model LED power system；
Fig. 5 is the decomposing schematic representation of this utility model LED power system.
Detailed description of the invention
Fig. 1 is the building-block of logic of this utility model LED power system embodiment one, the LED power system of this embodiment includes LED drive device 100 and LED light source 200, it should be noted that, although figure illustrate only a LED light source 200 and corresponding LED drive device 100, it should be understood that, in actual applications, such as, the LED drive device of LED light source and correspondence thereof can be respectively provided with in multiple places such as parlor at home, dining room, bedroom.In this embodiment, LED light source 200 includes red LED lamp string 210, green LED lamp string 220, blue led lamp string 230.LED drive device 100 includes control module 110, power management module and boost module, and, power management module includes that the first power management module 121, second source manage module 122, boost module includes DC/DC boost module the 131, a 2nd DC/DC boost module 132, wherein, and control module 110 is for being the pwm signal that often group LED string produces corresponding dutycycle according to monochrome information and/or color temperature information.Input voltage (VCC) is converted into the first driving voltage for driving red LED lamp string 210 for controlling a DC/DC boost module 131 by the first power management module 121, and controls the driving electric current of red LED lamp string 210 according to the pwm signal of red LED lamp string 210.Input voltage is converted into for driving green LED lamp string 220 and the second driving voltage of blue led lamp string 230 by second source management module 122 for controlling the 2nd DC/DC boost module 132, and pwm signal according to green LED lamp string 220 and blue led lamp string 230 controls the driving electric current of the two LED string respectively.And, the second driving voltage is more than the first driving voltage.
In this embodiment, owing to using two power management modules that input voltage is converted into two-way DC voltage respectively, a most relatively low road voltage is used for driving red LED lamp string, relatively Gao mono-road voltage is for driving the LED string of other color, therefore, ideally solve the problem that the most homochromy LED string pressure drop is different, to reach good compatibility.It is additionally, since without again the driving voltage of red LED lamp string being carried out blood pressure lowering process, therefore improves the efficiency of power-supply system.Certainly, in other embodiments, a power management module and a boost module can be only set, i.e. need not arrange a power management module and a boost module exclusively for red LED lamp string, this is also in protection domain of the present utility model.
In a preferred embodiment, first power management module 121 is additionally operable to sample the driving electric current of input voltage, the first driving voltage and red LED lamp string respectively, and the first driving voltage and the driving electric current of red LED lamp string exported is regulated according to sampled result, make the driving current constant of the first driving voltage and red LED lamp string in particular range；Second source management module 122 is additionally operable to sample input voltage, the second driving voltage and other driving electric current often organizing LED string respectively, and according to sampled result the second driving voltage of being exported of regulation and other often organize the driving electric current of LED string, make the second driving voltage and other often organize the driving current constant of LED string in particular range.
In this embodiment; driving voltage that two power management modules to input voltage, are each exported respectively and drive electric current to sample; and Automatic adjusument makes LED drive device be constantly in a steady statue; when extreme case occurs; as circuit occurs when short circuit overcurrent; can protection circuit in time, be unlikely to the damage of components and parts.
Fig. 2 is the building-block of logic of this utility model LED power system embodiment two, the LED power system of this embodiment compares the embodiment shown in Fig. 1, also include terminal unit 300, and, LED drive device 100 also includes wireless module 140 and temperature detecting module 150, wireless module 140 for example, bluetooth module, WIFI module or ZigBee module.Wherein, wireless module 140 and temperature detecting module 150 are connected with control module 110 respectively.The terminal for realizing man-machine interaction of terminal unit 300 for example, smart mobile phone, panel computer, PC or custom-made.As a example by smart mobile phone, smart mobile phone being provided with corresponding APP, the LED drive device corresponding to all LED light sources can be first associated by user with this APP, then can be realized the control of each LED light source by this APP.
Terminal unit 70 is used for receiving user to the monochrome information set by specific LED light source (such as LED light source 200) and/or color temperature information, and wirelessly sends set monochrome information and/or color temperature information.Wireless module 50 is for wirelessly receiving set monochrome information and/or color temperature information, and is sent to control module 10, and control module 10 and then the configuration information according to user produce the pwm signal corresponding to each group of LED string.So, user can in real time, freely change colour temperature and/or the brightness of LED light source by terminal unit 300.And, user can carry out control or networking (when control mode is WIFI or the ZigBee) control of the most point-to-point (when control mode is bluetooth, WIFI or ZigBee) by terminal unit 300 to LED light source.
Preferably, terminal unit 300 is additionally operable to display digit visual brightness and adjusts curve, and receives user based on the monochrome information set by this digital-visual brightness adjustment curve and/or color temperature information.So, user, when specific LED light source (such as LED light source 200) is arranged brightness and/or colour temperature, can be configured based on digital-visual brightness adjustment curve, and such regulative mode makes human eye feel pleasant.
It addition, control module 110 is additionally operable to sample the first driving voltage, the second driving voltage, often the driving electric current of group LED string.Wireless module 140 is additionally operable to send to terminal unit 300 sampled result of control module 110.Terminal unit 300 is additionally operable to the sampled result that display is received.Further, temperature detecting module 150 is used for detecting Current Temperatures, and detected temperature value is sent to control module 100.Wireless module 140 is additionally operable to send to terminal unit 300 temperature value detected.Terminal unit 300 is additionally operable to the temperature value that display is received.So, user by terminal unit 300, the running status of each LED light source can be carried out intuitively, the monitoring of real-time visual.Running status such as includes exporting electric current, output voltage, the temperature of whole system and working time (MCU internal clocking).
Further, control module 110 is additionally operable to adjust the dutycycle of the pwm signal exported according to sampled result and the temperature value that detected.Such as, control module 110 carries out a judgement according to the information collected, it is judged that whether it is in a correct scope, if it exceeds or falls below given threshold value, then can attempt changing PWM waveform, so that circuit output or temperature convert, to reach setting value.If MCU cannot change this situation, power management module can make corresponding counter-measure, to protect whole system.
Circuit diagram in conjunction with this utility model LED power system embodiment three shown in Fig. 3 A, Fig. 3 B, control module mainly includes MCU (not shown), and, in this embodiment, connecting anode and the negative terminal of input power between foot 2 and the foot 1 of interface P2 and interface P1 respectively, the voltage that this input power is exported is the DC voltage VCC of 8-30V.
Oneth DC/DC boost module includes energy storage inductor L3, diode D3 and metal-oxide-semiconductor Q2, and one end of energy storage inductor L3 connects the foot 2 of interface P2, its other end connects the positive pole of diode D3, the negative pole of diode D3 exports the first driving voltage (R_LED), i.e., connecting the anode of red LED lamp string Broad_LED1C, the negative terminal of red LED lamp string Broad_LED1C connects the drain electrode of metal-oxide-semiconductor Q3, and the source electrode of metal-oxide-semiconductor Q3 is by resistance R40, R41 ground connection being in parallel.
nullFirst power management module includes the chip U4 that model is TPS61197，And，The feeder ear (foot 16) of chip U4 connects the foot 2 of interface P2，Resistance R25 and resistance R28 is connected between foot 2 and the ground of interface P2，The Enable Pin (foot 2) of chip U4 connects resistance R25 and the junction point of resistance R28，Resistance R26、R30、R35 is connected between foot 2 and the ground of interface P2，The low input keyed end (foot 1) of chip U4 connects resistance R30 and the junction point of resistance R35，The switching frequency of chip U4 arranges end (foot 14) by resistance R37 ground connection，The loop compensation end (foot 6) of chip U4 is by the resistance R39 being in series and electric capacity C27 ground connection，The boosting reference edge (foot 5) of chip U4 passes through electric capacity C26 ground connection，The PWM input (foot 3) of chip U4 connects a PWM outfan (red) of MCU (not shown)，The boosting rectifier control end (foot 12) of chip U4 connects the grid of metal-oxide-semiconductor Q2 by resistance R29，The drain electrode of MOS pipe Q2 connects the positive pole of diode D3，The source electrode of metal-oxide-semiconductor Q2 is by the resistance R33 being in parallel、R34 ground connection.The metal-oxide-semiconductor current detecting end (foot 9) of chip U4 connects the source electrode of metal-oxide-semiconductor Q2 by resistance R31.Resistance R27, R32, R36 are connected between negative pole and the ground of diode D3, and the driving voltage test side (foot 10) of chip U4 connects the junction point of resistance R32, R36.The electric current adjustable side (foot 8) of chip U4 connects the grid of metal-oxide-semiconductor Q3, and the maximum current of chip U4 arranges the source electrode that end (foot 7) connects metal-oxide-semiconductor Q3 by resistance R38.It addition, the junction point of resistance R27, R32 (measure_V_61197) connects the first driving voltage test side of MCU (not shown).
null2nd DC/DC boost module includes energy storage inductor L1、Diode D1 and metal-oxide-semiconductor Q1，And one end of energy storage inductor L1 connects the foot 2 of interface P1，Its other end connects the positive pole of diode D1，The negative pole of diode D1 exports the second driving voltage，I.e.，Connect trichroism (white respectively、Green、Blue) LED string Broad_LED1A、Broad_LED1B、The anode of Broad_LED1D，The negative terminal of LED string Broad_LED1A is by the resistance R17 being in parallel、R18 ground connection，The negative terminal of LED string Broad_LED1B is by the resistance R19 being in parallel、R20 ground connection，The negative terminal of LED string Broad_LED1D is by the resistance R21 being in parallel、R22 ground connection.
Second source management module includes the chip U1 of TPS61196, and, the feeder ear (foot 28) of chip U1 connects the foot 2 of interface P1.Resistance R4, R8, R10 are connected between foot 2 and the ground of interface P1, and the low input keyed end (foot 1) of chip U1 connects resistance R8 and the junction point of resistance R10.Resistance R1 and resistance R3 is connected between foot 2 and the ground of interface P1, and the Enable Pin (foot 2) of chip U1 connects resistance R1 and the junction point of resistance R3 by resistance R13.Additionally, in this embodiment, white, green, the driving of blue led lamp string uses mode in parallel two-by-two, particularly as follows: a PWM input (foot 3) of chip U1 and the 2nd PWM input (foot 4) connect the 2nd PWM outfan (white) of MCU (not shown) respectively, the 3rd PWM input (foot 5) of chip U1 and the 4th PWM input (foot 6) connect the 3rd PWM outfan (green) of MCU respectively, the 5th PWM input (foot 7) of chip U1 and the 6th PWM input (foot 8) connect the 4th PWM outfan (blue) of MCU.The boosting rectifier control end (foot 24) of chip U1 connects the grid of metal-oxide-semiconductor Q1 by resistance R5, and the drain electrode of metal-oxide-semiconductor Q1 connects the positive pole of diode D1, and the source electrode of metal-oxide-semiconductor Q1 passes through resistance R9 ground connection.The metal-oxide-semiconductor current detecting end (foot 23) of chip U1 connects the source electrode of metal-oxide-semiconductor Q1 by resistance R7.Resistance R2, R6, R11 are connected between negative pole and the ground of diode D1, and the driving voltage test side (foot 19) of chip U1 connects the junction point of resistance R6, R11.The loop compensation end (foot 20) of chip U1 is by the resistance R12 being in series and electric capacity C10 ground connection.The switching frequency of chip U1 arranges end (foot 26) by resistance R14 ground connection.The Voltage Reference end (foot 21) of chip U1 passes through electric capacity C11 ground connection.The first electric current adjustable side (foot 12) of chip U1 and the second electric current adjustable side (foot 13) connect the negative terminal of white led lamps string Broad_LED1A, the 3rd electric current adjustable side (foot 14) of chip U1 and the 4th electric current adjustable side (foot 15) connect the negative terminal of green LED lamp string Broad_LED1B respectively, and the 5th electric current adjustable side (foot 16) of chip U1 and the 6th electric current adjustable side (foot 17) connect the negative terminal of blue led lamp string Broad_LED1D respectively.The minimum feedback voltage of chip U1 arranges end (foot 11) by the resistance R16 being in parallel and electric capacity C13 ground connection.The intersection short-circuit protection end (foot 9) of chip U1 passes through resistance R23 ground connection.The electric current of chip U1 arranges end (foot 10) by resistance R24 ground connection.It addition, the junction point of resistance R2, R6 (measure_V_61196) connects the second driving voltage test side of MCU.
The operation principle of the LED power system of this embodiment is described below: chip U4 controls the switch of metal-oxide-semiconductor Q2 by its foot 12, thus input voltage (VCC) can be converted into suitable first driving voltage, it should be noted that at this, the reference voltage of boosting can be changed by the capacitance changing the electric capacity C26 connected on its foot 5, it addition, the switching frequency of metal-oxide-semiconductor Q2 can be changed by the resistance changing the resistance R37 connected on its foot 14.Similarly, chip U1 controls the switch of metal-oxide-semiconductor Q1 by its foot 24, thus input voltage (VCC) can be converted into suitable second driving voltage, it should be noted that equally, the reference voltage of boosting can be changed by the capacitance changing the electric capacity C11 connected on its foot 21, it addition, the switching frequency of metal-oxide-semiconductor Q1 can be changed by the resistance changing the resistance R14 connected on its foot 26.And, the first driving voltage is less than the second driving voltage.
Then, MCU receives the monochrome information set by user and color temperature information by wireless module (not shown), and according to mixed light principle, set monochrome information and color temperature information it is converted into four road pwm signals, the most corresponding red, in vain, green, blue four color LED strings, and a road pwm signal corresponding with red LED lamp string is sent into the foot 3 of chip U4, a road pwm signal corresponding with white led lamps string is sent into the foot 3 of chip U1, a road pwm signal corresponding with green LED lamp string is sent into the foot 5 of chip U1, a road pwm signal corresponding with blue led lamp string is sent into the foot 7 of chip U1.So, chip U4 controls the switch of metal-oxide-semiconductor Q3 by its foot 8, thus the driving electric current of scalable red LED lamp string, and the size of electric current is driven by foot 7 detection.Chip U1 regulates the driving electric current of three-color LED light string white, green, blue respectively by its foot 12,14,16, and detects the size of each road driving electric current.
It addition, chip U4 detects input voltage also by its foot 1, and locking when voltage is less than threshold value, the size of threshold value is relevant with the resistance of resistance R26, R30, R35.Chip U4 detects the electric current on metal-oxide-semiconductor Q2 also by its foot 9, detects the first driving voltage by its pin 10, and protects when more than threshold value, and the size of this threshold value is relevant with the resistance of resistance R27, R32, R36.Similarly, chip U1 detects input voltage also by its foot 1, and locks when voltage is less than threshold value, and the size of threshold value is relevant with the resistance of resistance R4, R8, R10.Chip U1 detects the electric current on metal-oxide-semiconductor Q1 also by its foot 23, detects the second driving voltage by its pin 19, and protects when more than threshold value, and the size of this threshold value is relevant with the resistance of resistance R2, R6, R11.Chip U1 changes driving current protection threshold value also by the resistance changing the resistance R24 that its foot 10 is connected.It addition, chip U4, U1 are integrated with overcurrent protection, output short circuit protection, the protection of ISET shorted to earth, diode open-circuit and short-circuit protection, LED open circuit and short-circuit protection, excess temperature breaking circuit.It addition, chip U1 can arrange the time of soft start by the capacitance changing the electric capacity C11 that its foot 21 is connected.Chip U4 can arrange the time of soft start by the capacitance changing the electric capacity C11 that its foot 26 is connected.
Finally it should be noted that, in other embodiments, also can be selected for two models is the chip of TPS61196, and carried out principal and subordinate link, particularly as follows: the foot 21 of master chip is connected with the foot 20 from chip, the foot 27 of master chip is connected with the foot 26 from chip, the foot 19 from chip will be connected at the measure_V_61196 in master chip.
Shown in Fig. 4, Fig. 5, further, LED power system also includes pedestal 40, lid 50, pcb board 60 and the filter 70 corresponding with each LED light source.Preferably, the most ringwise, pedestal 40 and lid 50 are oppositely arranged and cooperate for pedestal 40 and lid 50, and after pedestal 40 and lid 50 assemble, both middle through-holes middle part after assembling forms the passage H passed through for light.Filter 70 is positioned on passage H, makes light outwards project.
In certain embodiments, pcb board 60 is located between pedestal 40 and lid 50, assembles with pedestal 40 and lid 50, and pcb board 60 is protected by pedestal 40 and lid 50 after assembling.LED drive device is arranged on pcb board 60, and is electrically connected with LED light source 200, and the LED string of LED light source 200 is managed controlling by LED drive device.
Preferably, LED light source 200 is positioned at the pedestal 40 side away from lid 50, and light by passage H and filter 70 to lid 50 projects outside.Owing to LED light source 200 is installed outside pedestal 40, when LED light source 200 occurs that damage needs to change, it is also easy to from pedestal 40 remove, it is simple to change dismounting.When LED power system integral installation is to the position such as metope or ceiling, LED light source 200 can be with metope, ceiling etc. against location.The formation modular LED power system that pedestal 40, lid 50, pcb board 60 and filter 70 are corresponding with LED drive device, it is simple to integrated marketing and use.
In certain embodiments, LED light source 200 is plate-shaped, is fitted on pedestal 40, and the LED displacement of LED light source 200 is put corresponding with passage H position, allows light by passage H to the projection injection of lid 50 side.The LED light source 200 of tabular, can make LED light source 200 side well fit with the installation site such as metope, ceiling.Preferably, pedestal 40 is provided with the deep gouge 43 corresponding with LED light source 200, is countersunk in pedestal 40 surface for LED light source 200, it is simple to location.
In certain embodiments, the edge of the through hole in the middle part of pedestal 40 is provided with the cylindrical sleeve 41 extended to lid 50 side, and the most ringwise, pcb board 60 is set on sleeve pipe 41 pcb board 60, it is simple to the assembling of pcb board 60.In other embodiments, sleeve pipe 41 may also be arranged on lid 50, sheathed for ring-type pcb board 60.Certainly, pcb board 60 is alternatively other shapes, is locked together on pedestal 40 or lid 50 by locking part and carries out assembling location.
Further, pcb board 60 is provided with the multiple flexible terminals 61 being electrically connected with LED light source 200, pedestal 40 is provided with and dodges mouth 42 for what flexible terminal 61 stretched out, flexible terminal 61 stretches out dodges mouth 42, after LED light source 200 is installed on pedestal, allow flexible terminal 61 corresponding with LED light source 200 connect.Preferably, each flexible terminal 61 is correspondingly arranged one and dodges mouth 42, allows will not produce between each flexible terminal 61 interfering, it is to avoid contacting with each other when there is deformation causes short circuit.In other embodiments, dodging mouth 42 and be alternatively a big opening, each flexible terminal 61 is stretched out by same mouth 42 of dodging.Each flexible terminal 61 and the one of LED light source 200 group of corresponding connection of LED string, when LED light source 200 only includes one group of LED string, pcb board 60 also can be provided only with a flexible terminal 61.Certainly, the flexible terminal 61 on pcb board 60 also can be replaced the structures such as socket, turns on socket after LED light source 200 assembles.
In certain embodiments, the outer ring of filter 70 is provided with the microscope base 71 installed for filter 70, and microscope base 71 is arranged on sleeve pipe 41.Microscope base 71 can facilitate the installation of filter 70, allows filter 70 can be located on passage H.Preferably, microscope base 71 ringwise, is set in the outer ring of filter 70.In other embodiments, it is possible to the installation position installed for filter 70 is set on lid 50 or sleeve pipe 41.
Further, filter 70 is protruded from by passage H and arranges outside lid 50, allows light can increase the radiation scope of light to lid 50 away from the area radiation of the side of pedestal 40 after filter 70.In other embodiments, filter 70 also can be non-bulging in lid 50 outer surface.
The foregoing is only preferred embodiment of the present utility model, be not limited to this utility model, for a person skilled in the art, this utility model can have various modifications and variations.All within spirit of the present utility model and principle, made any distort, equivalent, improvement etc., within should be included in right of the present utility model.
Claims (10)
1. a LED power system, including at least one LED light source and corresponding with each LED light source
LED drive device, described LED light source includes least one set LED string, it is characterised in that institute
State LED power system also to include:
Adjust curve for display digit visual brightness, and receive user and adjust based on described digital-visual brightness
Whole curve is to the monochrome information set by specific LED light source and/or color temperature information, and wirelessly will
It sends the terminal unit to corresponding LED drive device；
And, described LED drive device includes:
Boost module；
For wirelessly receiving the wireless module of set monochrome information and/or color temperature information；
It is connected to described wireless module, and for being every group according to described monochrome information and/or color temperature information
LED string produces the control module of the pwm signal of corresponding dutycycle；
It is connected to described control module and described boost module, and is used for controlling described boost module by input
Voltage is converted into driving voltage, and controls the driving electricity of corresponding LED string according to each road pwm signal
The power management module of stream.
LED power system the most according to claim 1, it is characterised in that described LED drives
Device also includes:
It is connected to described control module, and is used for detecting Current Temperatures, and detected temperature value is led to
Cross described control module, described wireless module sends to described terminal unit to carry out the temperature detection shown
Module.
LED power system the most according to claim 1, it is characterised in that described wireless module
For bluetooth module, WIFI module or ZigBee module.
LED power system the most according to claim 1, it is characterised in that power management module
It is the chip of TPS61196 including model.
5. according to the LED power system described in any one of Claims 1-4, it is characterised in that also
Including with the pedestal (40) corresponding to each LED light source, lid (50), pcb board (60) and filter
Mirror (70)；
Described pedestal (40) and described lid (50) the most ringwise, described pedestal (40) and lid (50)
Being oppositely arranged and cooperate, the middle through-hole of described pedestal (40) and described lid (50) is formed and supplies
The passage (H) that light passes through；
Described filter (70) is positioned on described passage (H)；
Described pcb board (60) is located between described pedestal (40) and described lid (50), described
LED drive device (100) is arranged on described pcb board (60), and with described LED light source (200)
It is electrically connected with；
Described LED light source (200) is positioned at the described pedestal (40) side away from described lid (50),
And light by described passage (H) and described filter (70) to described lid (50) projects outside.
LED power system the most according to claim 5, it is characterised in that described LED light source
(200) plate-shaped, it is fitted on described pedestal (40).
LED power system the most according to claim 6, it is characterised in that described pcb board (60)
It is provided with at least one flexible terminal (61) being electrically connected with described LED light source (200), described seat
Body (40) is provided with and dodges mouth (42), described flexible terminal (61) for what described flexible terminal (61) stretched out
Mouth (42) connection corresponding with described LED light source (200) is dodged described in stretching out.
LED power system the most according to claim 5, it is characterised in that described pedestal (40)
The edge of the through hole at middle part is provided with the cylindrical sleeve (41) extended to described lid (50) side, institute
Stating pcb board (60) the most ringwise, described pcb board (60) is set on described sleeve pipe (41).
LED power system the most according to claim 8, it is characterised in that described filter (70)
Outer ring be provided with for described filter (70) microscope base (71) installed, described microscope base (71) is arranged on described
On sleeve pipe (41).
LED power system the most according to claim 5, it is characterised in that described filter (70)
Protruded from described lid (50) outside by described passage (H) to arrange.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620515005.2U CN205793508U (en) | 2016-05-30 | 2016-05-30 | A kind of LED power system |
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| CN201620515005.2U CN205793508U (en) | 2016-05-30 | 2016-05-30 | A kind of LED power system |
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| CN205793508U true CN205793508U (en) | 2016-12-07 |
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| CN201620515005.2U Expired - Fee Related CN205793508U (en) | 2016-05-30 | 2016-05-30 | A kind of LED power system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106952585A (en) * | 2017-05-02 | 2017-07-14 | 深圳市洲明科技股份有限公司 | Led display screen system |
| CN111063311A (en) * | 2020-01-17 | 2020-04-24 | 京东方科技集团股份有限公司 | Boost circuit, backlight drive circuit and display panel |
| CN111800906A (en) * | 2020-07-03 | 2020-10-20 | 广东奥普特科技股份有限公司 | Control circuit and control method for detecting light source parameters |
| CN112669767A (en) * | 2020-12-28 | 2021-04-16 | 深圳创维－Rgb电子有限公司 | Mini LED driving system and driving method thereof |
-
2016
- 2016-05-30 CN CN201620515005.2U patent/CN205793508U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106952585A (en) * | 2017-05-02 | 2017-07-14 | 深圳市洲明科技股份有限公司 | Led display screen system |
| CN106952585B (en) * | 2017-05-02 | 2023-08-22 | 深圳市洲明科技股份有限公司 | LED display screen system |
| CN111063311A (en) * | 2020-01-17 | 2020-04-24 | 京东方科技集团股份有限公司 | Boost circuit, backlight drive circuit and display panel |
| CN111800906A (en) * | 2020-07-03 | 2020-10-20 | 广东奥普特科技股份有限公司 | Control circuit and control method for detecting light source parameters |
| WO2022001206A1 (en) * | 2020-07-03 | 2022-01-06 | 广东奥普特科技股份有限公司 | Control circuit and control method for measuring light source parameters |
| CN112669767A (en) * | 2020-12-28 | 2021-04-16 | 深圳创维－Rgb电子有限公司 | Mini LED driving system and driving method thereof |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20161207 Termination date: 20180530 |